Hardball host Chris Matthews turned his appearance on MSNBC's Tampa-set episode of Morning Joe into Internet gold today when he called out Republican National Committee Chairman Reince Priebus for suggesting that President Barack Obama was running a negative campaign, and countered that it's actually GOP nominee Mitt Romney who's the one playing dirty. What follows is an extended yelling match that mostly involves Matthews accusing Romney of perpetuating the birther movement and playing the "ethnic card."

You can check out the video above. What do you think of the discussion?